Originally Posted by
travel agent
not true in that case.
if its a change more than 2 hours, no reason need to be provided to change or to cancel.
regarding the other flights, if you change the affected flight to a different day (you are allowed to change up to 7 days) than you can also change the other flights to match the same length of stop over.
You are correct but usually the agent can only help you change to a flight within two day of your original date.